Aizawa Shouta, the underground hero known as Eraserhead, rescues a young girl named Layna from a black market trafficking children and decides to take her in as his own.
The two form a strong bond as Layna adjusts to her new life, with Shouta becoming a loving and protective father figure to her.
Layna meets Izuku Midoriya at a park and proudly announces that Shouta is her father, who is a super cool underground hero.
Layna's life takes a turn when she is bullied at school by a boy named Kenta, who makes her feel unwanted and alone.
After Layna is injured by Kenta, Shouta steps in to protect her and confronts the situation head-on.
Shouta and Layna work together to overcome the challenges they face, with Shouta going to great lengths to ensure Layna's safety and happiness.